Recursive Sequences

What is the next term in the series? 15, 35, 55...

• 55
• 15
• 32
• 75

What is the a_n-1 if the a_n=5?

• 7
• 6
• 4
• 72

Write the recursive formula for 4, 8, 12....

• a_n=a_n-1-7
• a_n=a_n-1-4
• a_n=a_n-1+3
• a_n=a_n-1+4

Tags

CCSS.HSF.BF.A.2

Write the recursive formula of 13, 9, 5...

• a_n=a_n-1-4
• a_n=a_n-1+3
• a_n=a_n-1-5
• a_n=a_n-1+4

Write the recursive formula for 6, 17, 28, 39, 50....

• a_n=a_n-1+11
• a_n=a_n-1-4
• a_n=a_n-1+9
• a_n=a_n-1+6

Find the 5th term in the sequence of 12, 15, 18...

• 22
• 20
• 27
• 24

When an equation is exponential, I find... 

• 1 difference and they are the same as the y-values
• 1 difference and they are all the same
• 2 differences and they are all the same

Using the equation f(x)=4x-3, What is f(3)?

• 9
• 11
• 3
• -3

Is the equation y=3^x linear, quadratic, or exponential?

• linear
• exponential
• quadratic

Find the 7th term in the sequence of 6, 13, 20...

• 48
• 46
• 42
• 36